A Brief History of the Marque
Manufactured by Lindcar-Fahrradwerke AG, Berlin-Lichtenrade, 1920-1939
In addition to automobiles and bicycles the firm built autocycles in the 1930s. These were quite similar to other brands, and the engines likely came from an external supplier.
The company suffered considerably under the National Socialists.
Sources: motor-lit-berlin.de, Wikipedia DE, et al.